Join Date: Aug 2010
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I bought my first PSD about a month ago. I love it but I keep having issues with the transmission. I have done a little research and looked at the basic stuff, but I think I have an electrical issue and wonder if anyone has had something like this and where they started.
The OD light starts flashing and the truck will not want to move from a dead stop but will engage 1st gear at a higher RPM than normal. If I shift to M1 it takes off just fine. During this time the speedo is working properly. It doesn't happen all the time and doesn't flash if I am are already moving. The problem seems to occur if I come to a complete stop and sit for a bit, or if I leave it running for a while.
I took it to a shop and I didn't get the codes but they said it was throwing a VSS, OSS, and exhaust back pressure code at the same time. They cleared them all and the exhaust back pressure code came back within a minute and the truck wasn't running. The trans shop believes it is an electrical issue. I have started going through the wiring but I have not found anything that stands out yet. I have noticed that the radio has been losing its memory some times which leads me to believe that it might have a common ground or power source as the other components. I could be way off but any help would be appreciated.
I plan on pulling the radio (after market) this weekend and tracing the grounds and constant power to see if I can isolate its problem and see if the others go away but with the luck I have been having it is probably a separate issue.
Thanks in advance.